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30590992 = 241911937
BaseRepresentation
bin111010010110…
…0100000010000
32010120011221201
41310230200100
530312402432
63011400544
7521006365
oct164544020
963504851
1030590992
11162a4513
12a2b3154
136450ca3
1440c446c
152a43ee7
hex1d2c810

30590992 has 10 divisors (see below), whose sum is σ = 59270078. Its totient is φ = 15295488.

The previous prime is 30590983. The next prime is 30590999. The reversal of 30590992 is 29909503.

It can be written as a sum of positive squares in only one way, i.e., 15968016 + 14622976 = 3996^2 + 3824^2 .

It is not an unprimeable number, because it can be changed into a prime (30590999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 955953 + ... + 955984.

Almost surely, 230590992 is an apocalyptic number.

It is an amenable number.

30590992 is a deficient number, since it is larger than the sum of its proper divisors (28679086).

30590992 is a wasteful number, since it uses less digits than its factorization.

30590992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911945 (or 1911939 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 37.

The square root of 30590992 is about 5530.9124021268. The cubic root of 30590992 is about 312.7503853560.

It can be divided in two parts, 3059099 and 2, that added together give a triangular number (3059101 = T2473).

The spelling of 30590992 in words is "thirty million, five hundred ninety thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 16 1911937 3823874 7647748 15295496 30590992